in the given figure in angle abc is equal to 90 is equal to 38 C is equal to 14 then find angle ab and BC
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Answer:
it is 15c not 30c
BC = 15cm ,AC = 17cm
AB = √(17^2 - 15^2) = √64 = 8cm
radius of circle
= (8 + 15 - 17)/2 = 6/2 = 3 cm
or
radius of circle = 2 × area of ∆ABC/perimeter of ∆ABC
=2* 1/2*8*15/(8+15+17)= 3cm
ans=3cm
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